External bridging and chain-crossing method and device based on Hyperledger Fabric, equipment and medium

An external bridge, bridging technology, applied in computer security devices, payment systems, digital data protection, etc., can solve the problems of coarse data privacy protection granularity and low data security, achieve good data privacy, save storage resources, and refine The effect of protection granularity

Pending Publication Date: 2022-01-28
普洛斯科技(重庆)有限公司
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Problems solved by technology

However, for a certain channel, the data stored in the channel is visible to all organizations in the channel. Therefore, the protection granularity of data privacy is relatively coarse, and the data security is low.

Method used

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  • External bridging and chain-crossing method and device based on Hyperledger Fabric, equipment and medium
  • External bridging and chain-crossing method and device based on Hyperledger Fabric, equipment and medium
  • External bridging and chain-crossing method and device based on Hyperledger Fabric, equipment and medium

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Embodiment Construction

[0056] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. Implementations described in the following exemplary embodiments do not represent all implementations consistent with one or more embodiments of this specification. Rather, they are merely examples of apparatuses and methods consistent with aspects of one or more embodiments of the present specification as recited in the appended claims.

[0057] It should be noted that in other embodiments, the steps of the corresponding methods are not necessarily performed in the order shown and described in this specification. In some other embodiments, the method may include more or less steps than those described in this specification. In addition, a single step described in this...

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PUM

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Abstract

One or more embodiments of the invention provide an external bridging and chain-crossing method and device based on Hyperledger Fabric, equipment and a medium. The method comprises the steps of acquiring an original data text of demand data through a first block chain system; constructing a query transaction based on an identifier of a cross-chain message header obtained from a second block chain system, wherein the cross-chain message header is constructed based on the data abstract of demand data stored in the first block chain system, and is published to the second block chain system through a bridging chain; issuing query transaction to the second block chain system, triggering a Peer node in the second block chain system to respond, and copying the cross-chain message header corresponding to the identifier of the cross-chain message header from the bridging chain to the second block chain system in a cross-chain manner; and acquiring a cross-chain message header from the second block chain system, verifying the original data text based on the cross-chain message header, and after verification is passed, publishing the demand data to the second block chain system for evidence storage so as to allow a data demand side to obtain the demand data from the second block chain system.

Description

technical field [0001] One or more embodiments of this specification relate to the technical field of computer applications, and in particular to a Hyperledger Fabric-based external bridging cross-chain method, device, device and medium. Background technique [0002] In related technologies, in the blockchain system based on Hyperledger Fabric, channels are usually divided according to the organizations actually participating in the business, and organizations participating in the same business are added to the same channel. However, for a certain channel, the data stored in the channel is visible to all organizations in the channel. Therefore, the protection granularity of data privacy is relatively coarse, and the data security is low. Contents of the invention [0003] This specification proposes an external bridge cross-chain method based on Hyperledger Fabric. The first blockchain system based on Hyperledger Fabric includes the Peer node corresponding to the data prov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/27G06F21/62G06Q20/38
CPCG06F16/27G06F21/6245G06Q20/382
Inventor 张晴温泉李东奇李冠男佘蓉
Owner 普洛斯科技(重庆)有限公司
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